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5Pcs 4mm Flat Convex Lens, 4mm Focal Length Borosilicate Glass Magnifier Lens,Led Flat Convex Optical Lens for DIY Crafts, Home Office Science, LED Spotlights (Φ4mm*H2.3*F3.0)
✅ In stock
⭐ Lowest price we've tracked
C
Grade
Analysis Confidence
73%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 12:10 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰At 13% off its standard going rate, this offer delivers clear value for the money.
- 🏷️The retail sticker price has been slashed by 83% — a steep markdown from the official listing.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
14.73/28
Recent Value
6.02/22
Market Standing
11.54/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
JIATONG Direct
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓✔️ Exact Dimensions – Clear & Precise Each convex lens measures 4mm outer diameter (0.16"),Height:2.3mm(0.09"），3mm focal length (0.14"), Comes with 5 lenses per pack, ideal for projects that demand accurate miniature optics.
✓✔️ Premium Borosilicate Glass Material Made of high-quality borosilicate glass with 92% light transmittance and 1.474 refractive index. Withstands extreme temperatures from -50°C to 450°C, offering superior strength, scratch resistance, and long-term durability compared to ordinary lenses.
✓✔️ Flawless Beam & Safe Edges Produces a clean, uniform beam spot with no black holes, shadows, or dark areas. Features ground edges for safe handling and polished surfaces for even light transmission.
✓✔️ Wide Application – Lighting, Magnifying & DIY Perfect for LED spotlights, car lights, focusing flashlights, projection lights, explosion-proof lights, and downlights. Also great for reading small text (newspapers, books, menus, labels), science experiments, DIY telescope projects, office tasks, and crafts.
✓✔️ Easy to Use & Maintain Place the lens directly over small text or objects to magnify details. Adjust beam angle by changing the distance between lens and LED light source. Clean easily with a soft cloth to maintain transparency.
✓Package Included:5PCS X Optical Glass Lens Without Edge
⚙️ Specifications
Brand
JIATONG
Color
Transparent
Batteries Required?
No
Lens Material
Glass
Product Dimensions
0.09"L x 0.16"W
Magnification Strength
3 diopters
Manufacturer
JIATONG
Item Weight
0.317 ounces
ASIN
B0BVGD91T7
Item model number
A235
Customer Reviews
4.1
